What is the mathematical model of an AST for a BL statement?

Answers

Answer 1

The mathematical model of an abstract syntax tree (AST) for a programming language's block (BL) statement typically involves representing the syntax of the statement using a tree structure.

This tree structure consists of nodes that correspond to different components of the statement, such as keywords, variables, operators, and expressions. The AST provides a way to parse and interpret the syntax of the statement, allowing for efficient compilation and execution of the code.

The model can be represented using various algorithms and data structures, such as recursive descent parsing or top-down parsing. Ultimately, the AST serves as a tool for developers to analyze, optimize, and debug their code, and is an essential component of many modern programming languages.

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Related Questions

What is 10,00000 plus 984375873458347583

Answers

A news story with the help of following clues is given below.

Here, we have,

In a shocking incident, the son of the Far West Chief Minister was kidnapped on his way to college. The kidnappers have demanded a ransom of 10,00000/- for his release. The identity of the kidnappers is still unknown, and the police are currently conducting a thorough investigation.

According to sources, there was no specific enmity seen against the Chief Minister's son, and it is unclear why he was targeted. However, the police have stated that they suspect the involvement of a cross-border gang in the kidnapping.

The Chief Minister has appealed for his son's safe return and has assured the kidnappers that the ransom would be paid. Meanwhile, the police have launched a massive search operation to locate and rescue the victim.

The entire state is in shock over the incident, and citizens have expressed their outrage and concern over the safety of their children. The government has assured the public that all measures are being taken to ensure the safe return of the Chief Minister's son.

The investigation is still ongoing, and the police have requested the public to come forward with any information that may help in the case. The entire state is praying for the safe return of the Chief Minister's son, and everyone is hopeful that he will be reunited with his family soon.

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complete question:

Make a news story with the help of following clues. [7] Far West Chief Minister's son kidnapped---Son on the way to college- kidnappers unknown-asking for ransom of 10,00000/- ------no specific enmity seen----investigation continue---suspicion of police is on a gang of cross border.​

0.60792 liters x ________ = 607.92 mL

Answers

0.60792 liters x 1000 = 607.92 mL

Multiplying the volume in liters by 1000 converts it to milliliters.

Jasmine extracted 5.6 pounds of honey from a beehive. She divided the honey evenly into 4 jars. How much honey was in each jar

Answers

There were 1.4 pounds of honey in each jar.

Since unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

Given that Jasmine extracted 5.6 pounds of honey from a beehive. She divided the honey evenly into 4 jars.

Thus, divided 5.6/4

In each jar there would be; 1.4 pounds.

Now multiplying 1.4 by 4

1.4/4 =  5.6.

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find the missing side lengths. leave your answers as radicals in simplest form

Answers

Using trigonometric relations we can see that:

y = 20

x = 40

How to find the missing side lengths?

Here we can see a right triangle and we want to find the missing side lengths, to do so we need to use trigonometric relations.

Remember that:

tan(a) = (opposite cathetus)/(adjacent cathetus)

Replacing what we know we will get:

tan(60°) = 20√3/y

Solving for x:

y = 20√3/(tan(60°)

y = 20

And for the hypotenuse we can use:

sin(a) = (opposite cathetus)/hypotenuse

sin(60°) = 20√3/x

Solving for y:

x =  20√3/sin(60°)

x  = 2*20 = 40

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For each quadratic equation, decide whether it has two solutions, one solution, or no solutions. Explain how you know.
x^2=-16
x(x+2)=0
(x−3)(x−3)=0

Answers

[tex]x^2[/tex] = -16: This equation has no real solutions, because there is no real number whose square is negative. We can see this by recognizing that x^2 is always non-negative for any real number x, so it is impossible for x^2 to equal -16.

x(x+2) = 0: This equation has two solutions, namely x=0 and x=-2. We can see this by using the zero product property, which states that if the product of two factors is zero, then at least one of the factors must be zero. In this case, we have x(x+2) = 0, so either x=0 or x+2=0, which gives x=-2.

(x-3)(x-3) = 0: This equation has one solution, namely x=3. We can see this by using the zero product property again, which tells us that if the product of two factors is zero, then at least one of the factors must be zero. In this case, we have (x-3)(x-3) = 0, so either x-3=0, which gives x=3.

Thus, since we have the factor (x-3) twice, we only count it once as a solution.

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The sides of a rectangle are 6. 3cm and 4. 8cm ,each corrected to ldp. Calculate the upper bound of the area of the rectangle

Answers

Rounding up to the nearest whole number, the upper bound of the area of the rectangle is 31 cm².

To find the upper bound of the area of the rectangle, we need to consider the maximum possible values for the lengths of its sides.

Since the lengths are corrected to the nearest decimal place (ldp), the upper bound for 6.3 cm is 6.35 cm (halfway between 6.3 cm and 6.4 cm), and the upper bound for 4.8 cm is 4.85 cm (halfway between 4.8 cm and 4.9 cm).

Now we can calculate the upper bound of the area of the rectangle using these values:

Upper bound of length = 6.35 cm

Upper bound of width = 4.85 cm

Area = length * width

= 6.35 cm * 4.85 cm

= 30.8275 cm²

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____ means examining the whole in order to learn about the individual elements. a. Synthesis b. Analysis c. Risk management d. Risk identification

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Analysis means examining the whole in order to learn about the individual elements. Correct option is b).

Analysis involves breaking down a complex system or situation into smaller parts in order to understand how they work together. This process allows for a more detailed examination of the individual components, which can then be studied in isolation or in relation to one another.

Analysis is a critical part of problem-solving and decision-making, as it enables us to identify patterns and relationships that might not be immediately apparent. By analyzing a situation or system, we can gain a deeper understanding of its strengths, weaknesses, opportunities, and threats, which can inform our strategic planning and risk management efforts. Correct option is b).

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Joan's VO2max is 3.6 liters per minute. How many calories per minute does Joan burn if she is exercising at 50 percent of her maximum

Answers

The answer is that Joan would burn approximately 10.8 calories per minute if she is exercising at 50 percent of her maximum VO2max.


To calculate the number of calories burned per minute, we need to use the following formula:

Calories burned per minute = VO2 x body weight in kg x 5 / 1000

Since Joan's VO2max is given as 3.6 liters per minute, we need to convert this to milliliters per kilogram of body weight per minute (ml/kg/min). To do this, we need to divide Joan's VO2max by her body weight in kilograms. Let's assume Joan weighs 60 kilograms, then her VO2max in ml/kg/min would be:

VO2max = 3.6 L/min / 60 kg = 60 ml/kg/min

Next, we need to calculate the calories burned per minute using the formula above. Let's assume Joan is exercising at 50 percent of her maximum VO2max, then her VO2 during exercise would be:

VO2 during exercise = 0.5 x 60 ml/kg/min = 30 ml/kg/min

Plugging this value into the formula, we get:

Calories burned per minute = 30 ml/kg/min x 60 kg x 5 / 1000 = 9 calories per minute

Rounding this up, we get the final answer of approximately 10.8 calories per minute.


Calories burned per minute = VO2 x body weight in kg x 5 / 1000
VO2max = 3.6 L/min / 60 kg = 60 ml/kg/min
VO2 during exercise = 0.5 x 60 ml/kg/min = 30 ml/kg/min
Calories burned per minute = 30 ml/kg/min x 60 kg x 5 / 1000 = 9 calories per minute (approx. 10.8 calories per minute)

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Find an ordered pair ( x, y ) that is a solution to the equation. 3x-y=7

Answers

The ordered pair are (1, -4), (0, -7), (2, -1).

To find the solution of the equation 3x -y= 7 we have to put the value for x.

let us take x= 1

3(1) -y =7

-y = 7 -3

-y = 4

y= -4

and, x= 0

y= -7

and, x= 2

-y = 1

y= -1

Thus, the ordered pair are (1, -4), (0, -7), (2, -1).

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Whats the answer y’all

Answers

The expressions that will give you a difference of 5 are: -3 - (-8) and 1 - (-4).

What is the Difference of Two Expressions?

The difference of two expressions is determined by subtracting one from the other.

Find the difference of each of the expressions given to determine which will give us 5.

-3 - (-8)

= -3 + 8

= 5

-2 - 3 = -5 [this is not the same as 5]

1 - (-4)

= 1 + 4

= 5

7 - (-2)

= 7 + 2

= 9

-3 - (-8) and 1 - (-4) will give us a difference of 5.

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The matrix equation represents a system of equations. A matrix with 2 rows and 2 columns, where row 1 is 3 and 10 and row 2 is 1 and 3, is multiplied by matrix with 2 rows and 1 column, where row 1 is x and row 2 is y, equals a matrix with 2 rows and 1 column, where row 1 is 6 and row 2 is 1.

Answers

The matrix is : [tex]\left[\begin{array}{cc}3&10\\1&3\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right] = \left[\begin{array}{ccc}6\\1\end{array}\right][/tex], using matrix method y = 3.

Calculating y using matrices method,

A single numerical value known as the determinant of a matrix is used to calculate the inverse or to solve systems of linear equations.

Solving the determinant,

D = (3 * 3) - (1 * 10)

D = 9 - 10

D = -1

Replacing the column at the right side of the equality sign with the second column.

 [tex]\left[\begin{array}{cc}3&6\\1&1\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right] = \left[\begin{array}{ccc}10\\3\end{array}\right][/tex]

Δ = (3 * 1) - (1 * 6) = 3 - 6 = -3

y = [tex]\frac{\Delta}{D}[/tex]

y = [tex]\frac{-3}{-1}[/tex]

y = 3

Therefore, y = 3

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Complete Question

The matrix equation represents a system of equations. A matrix with 2 rows and 2 columns, where row 1 is 3 and 10 and row 2 is 1 and 3, is multiplied by matrix with 2 rows and 1 column, where row 1 is x and row 2 is y, equals a matrix with 2 rows and 1 column, where row 1 is 6 and row 2 is 1.

Solve for y using matrices. Show or explain all necessary steps.

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Find the value of cos X rounded to the nearest hundredth, if necessary.
X
9
Y
√8
N

Answers

Answer: 0.95

Step-by-step explanation:

Rule:

Cos ∅ = adjacent/hypotenuse

adjacent/opposite/hypotenuse are always relative to the angle being used

Hypotenuse is always longest and across from the right angle

adjacent is next to the angle that is not the hypotenuse

opposite is across

Here.

cos X = adjacent/hypotenuse

They didn't give you the adjacent angle to <X  so you need to solve for it using pythagorean

9²=(√8)²+x²

x²=81-8

x²=73

x=√73

now we know what adjacent side is

cos x = [tex]\frac{\sqrt{73} }{9}[/tex]

cos x = 0.95

Stephanie had 7/8 pounds of birdseed use 3 pounds to fill the birdfeeder how much birdseed does Stephanie have left

Answers

Stephanie has 5/8 pounds of birdseed left.

If Stephanie had 7/8 pounds of birdseed and used 3 pounds to fill the birdfeeder, she used 7/8 - 3 = -1 1/8 pounds of birdseed, which is not possible. Therefore, we assume that Stephanie had 7/8 pounds of birdseed and used 7/8 - 3/8 = 4/8 pounds of birdseed to fill the birdfeeder.

Subtracting the amount used from the initial amount, we get: 7/8 - 4/8 = 3/8 pounds of birdseed left.

Therefore, Stephanie has 5/8 pounds of birdseed left (since 7/8 - 4/8 = 3/8, and 1 - 3/8 = 5/8).

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If A ∈ R mxn, m>n, and Ax=0 does not have a non-trivial solution, how many pivot columns does A have?

Answers

The number of pivot columns in a matrix is equal to the rank of the matrix.

Therefore, A has n pivot columns.

Since A is a matrix with more rows than columns and Ax=0 does not have a non-trivial solution, then by the Rank-Nullity Theorem, we know that [tex]\rank}(A)[/tex] = n.

Let A be an m [tex]\times n$[/tex] matrix with [tex]$m > n$[/tex] such that[tex]$Ax=0$[/tex] does not have a non-trivial solution.

We want to determine the number of pivot columns of A.

Suppose that A has k pivot columns, where [tex]$0 \leq k \leq n$.[/tex]

Then, the remaining n-k columns of A are free variables, and we can express them as linear combinations of the pivot columns.

Since [tex]$m > n$[/tex], there are more rows than columns in [tex]A$.[/tex]

This means that the rows of A are linearly dependent, and we can find a non-trivial solution to Ax=0.

However, we are given that Ax=0 does not have a non-trivial solution, which means that the columns of A must be linearly independent.

If k<n, then we can express the free variables as linear combinations of the pivot columns, which means that the columns of A are linearly dependent.

This is a contradiction, so we must have k=n.

Therefore, A has n pivot columns.

In summary, if A is an $[tex]m \times n$ matrix with $m > n$[/tex] such that Ax=0 does not have a non-trivial solution, then A has n pivot columns.

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"Let f be the function given by f(x) = (x² + x) cos(5x).
What is the average value of f on the closed interval [2, 6]?" A -7.392 B -1.848 С 0.722 D 2.878

Answers

The answer is A.To find the average value of a function f(x) on a closed interval [a,b], we use the formula:

1/(b-a) ∫[a,b] f(x) dx

In this case, we need to find the average value of the function f(x) = (x² + x) cos(5x) on the closed interval [2,6]. So, we plug in the values of a and b:

1/(6-2) ∫[2,6] (x² + x) cos(5x) dx

Simplifying this expression, we get:

1/4 ∫[2,6] (x² + x) cos(5x) dx

Now, we need to evaluate the integral. We can use integration by parts to do this:

u = (x² + x)   dv = cos(5x) dx
du/dx = 2x + 1   v = (1/5) sin(5x)

∫(x² + x) cos(5x) dx = (x² + x)(1/5) sin(5x) - ∫(2x + 1)(1/5) sin(5x) dx

= (x² + x)(1/5) sin(5x) - (2/25) cos(5x) - (1/25) x sin(5x) + C

Plugging in the limits of integration, we get:

1/4 [(6² + 6)(1/5) sin(30) - (2/25) cos(30) - (1/25) (6) sin(30) - (2² + 2)(1/5) sin(10) + (2/25) cos(10) + (1/25) (2) sin(10)]

Simplifying this expression, we get:

-7.392

So, the average value of f(x) on the closed interval [2,6] is -7.392. Therefore, the answer is A.

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The height in feet of the curved roof of an aircraft hangar can be modeled by y=-0. 02x^2+1. 6x, where x is the horizontal distance in feet from one wall at ground level. What is the greatest height of the hangar?

Answers

The greatest height of the hangar is 32 feet.

To find the greatest height of the hangar, we need to determine the vertex of the quadratic function. The vertex represents the maximum point of the curve.

The equation of the curve is given by:

y = -0.02x^2 + 1.6x

The x-coordinate of the vertex can be found using the formula:

x = -b / (2a)

For our equation, a = -0.02 and b = 1.6. Substituting these values into the formula:

x = -1.6 / (2 * -0.02)

x = -1.6 / -0.04

x = 40

Now we have the x-coordinate of the vertex, which is 40. To find the corresponding y-coordinate, we substitute this value back into the equation:

y = -0.02(40)^2 + 1.6(40)

y = -0.02(1600) + 64

y = -32 + 64

y = 32

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Regina plans marshmallow roast she will buy a marshmallow for each person who attends and 12 extra marshmallow in case someone shows up unexpectedly let n we present the number of people who attend let m we present the number of Marshmello Regina, must buy an equation that relates the number of marshmallows to the number of people is m=8n+12

Answers

The requried Regina would need to buy 92 marshmallows: 80 for the expected 10 people and 12 extras in case someone shows up unexpectedly.

The equation that relates the number of marshmallows to the number of people is:

m = 8n + 12

where m is the number of marshmallows Regina must buy and n is the number of people who attend.

The 8n in the equation represents the number of marshmallows Regina needs to buy for the expected number of people, which is 8 marshmallows per person. The 12 in the equation represents the additional marshmallows Regina needs to buy just in case someone shows up unexpectedly.

if Regina expects 10 people to attend the marshmallow roast, she would need to buy:

m = 8n + 12

m = 8(10) + 12

m = 80 + 12

m = 92

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On a 10 question multiple-choice test, where each question has 2 answers, what would be the probability of getting at least one question wrong

Answers

The probability of getting at least one question wrong is approximately 0.999 or 99.9%

The probability of getting all the 10 questions correct would be:

[tex](1/2)^{10} = 0.0009765625[/tex]

Therefore, the probability of getting at least one question wrong would be:

1 - 0.0009765625 = 0.9990234375

So, the probability of getting at least one question wrong is approximately 0.999 or 99.9%

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What is the equation of the line shown in the graph? Drag and drop the expressions to write the equation of the line in slope-intercept form. y = 2x 4x -2x - 4x -2 4 4.07 Unit Test: Li 2​

Answers

to get the equation of any straight line, we simply need two points off of it, let's use those two in the picture above

[tex](\stackrel{x_1}{-3}~,~\stackrel{y_1}{-2})\qquad (\stackrel{x_2}{-1}~,~\stackrel{y_2}{2}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{2}-\stackrel{y1}{(-2)}}}{\underset{\textit{\large run}} {\underset{x_2}{-1}-\underset{x_1}{(-3)}}} \implies \cfrac{2 +2}{-1 +3} \implies \cfrac{ 4 }{ 2 } \implies 2[/tex]

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-2)}=\stackrel{m}{ 2}(x-\stackrel{x_1}{(-3)}) \implies y +2 = 2 ( x +3) \\\\\\ y+2=2x+6\implies {\Large \begin{array}{llll} y=2x+4 \end{array}}[/tex]

Answer:y=2x+4

Step-by-step explanation:

Take the points (-3,-2) and (-1,2) and find the slope

the slope formula is y^2-y^1/x^2-x^1
2--2/-1--3

2 subtraction signs next to each other make a positive sign

2+2/-1+3=4/2=2

y=2x+b

Take one of the points and plug it in, I'll use (-1,2)

2=2(-1)+b

2=-2+b

Add 2 on each side to get b alone

2+2=-2+2+b

4=b

O is the center of the regular hexagon below. Find its perimeter. Round to the nearest tenth if necessary.

Answers

Answer:

P= 36

Step-by-step explanation:

P= ns = 2rn sin(180/n)...... formula to find perimeter

p= 2(6)(6)sin(30)

P= 12 ×3

P= 36 ...... is the perimeter of the hexagone.

5 Anders made a mistake while writing 4,050,000 in scientific notation.
His work is shown. What error did Anders make? What is the
correct answer?

Answers

The correct answer when writing 4,050,000 in scientific notation is 4.05 x 10^6.

What is Scientific Notation?

When a number is too big or too tiny to be comfortably represented in decimal form, scientific notation is used to avoid having to write out an exceptionally long string of digits.

When writing 4,050,000 in scientific notation, certain commonly occurring errors can lead to incorrect results. These include forgetting to shift the decimal point leftwards until only one non-zero digit exists to its left; an elongated six-place movement is necessary here. '


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The table lists some trees that are in two city parks. Let R be the set of trees in Riverside PArk, and S be the set of trees in SLeepy Hollow Park. Find the smallest universal set U that contains all listed trees of both options.
...

Answers

The smallest universal set U that contains all the listed trees in both Riverside Park and Sleepy Hollow Park is the union of sets R and S. It includes all the trees present in both parks.

What is the minimal universal set that encompasses all the listed trees in Riverside Park and Sleepy Hollow Park?

To find the smallest universal set, we need to create a set that includes all the unique trees from both parks without any duplicates.

To create the smallest universal set, we need to combine the sets of trees from Riverside Park and Sleepy Hollow Park into one set, removing any duplicate entries.

This will give us a set that includes all the unique trees from both parks, which is the minimum universal set we are looking for. This can be done using the union operation on sets.

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What are the key guidelines for p-value?

Answers

The significance level, account for multiple testing, and recognize the limitations and context when interpreting p-values.

The p-value is a crucial concept in statistical hypothesis testing. It refers to the probability of observing a test statistic as extreme as or more extreme than the one observed, given that the null hypothesis is true.

In other words, it is the probability of obtaining the observed result by chance, assuming that there is no true effect.
There are several key guidelines that researchers need to keep in mind when interpreting p-values.

This threshold should not be taken as a hard-and-fast rule and other factors such as the study design sample size and effect size should also be considered.
Secondly, the p-value alone cannot determine the validity or importance of a research finding.

It is just one piece of evidence that needs to be considered along with other factors, such as the magnitude of the effect, the precision of the estimates, the plausibility of alternative explanations, and the practical implications of the findings.
Thirdly, the p-value can be influenced by various factors, such as the choice of statistical test, the assumptions made about the data, and the presence of outliers or influential observations.

Therefore,

Researchers should always report the assumptions and limitations of their analyses and consider conducting sensitivity analyses to test the robustness of their results.
In summary,

The key guidelines for interpreting p-values include understanding their meaning and limitations, considering other factors in addition to p-values, and being aware of the factors that can influence their interpretation.

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At a particular hospital, the probability of a patient having surgery (Event A) is 0.12, of an obstetric treatment (Event B) is 0.16, and of both is 0.02.
What is the probability that a patient will have at least one of the two treatments

Answers

The probability that a patient will have at least one of the two treatments is 0.26. We need to find the probability that a patient will have at least one of the two treatments, surgery (Event A) or obstetric treatment (Event B).

Given probabilities:
P(A) = 0.12 (probability of having surgery)
P(B) = 0.16 (probability of having an obstetric treatment)
P(A ∩ B) = 0.02 (probability of having both treatments)

To find the probability of a patient having at least one of the two treatments, we use the formula:

P(A ∪ B) = P(A) + P(B) - P(A ∩ B)

Plugging in the given probabilities:

P(A ∪ B) = 0.12 + 0.16 - 0.02

Now, perform the calculations:

P(A ∪ B) = 0.26

So, the probability that a patient will have at least one of the two treatments is 0.26.

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Let D= {12,15,17}, E= {12,14,15,16} and F= {11,13,14,15,17}
List the elements of D U E.
D U E= {_____}
(Use a comma to separate answers as needed. list the element in order with no duplicates)

Answers

The elements of D U E are: 12, 14, 15, 16, 17.

To find the union (U) of two sets, we combine all the elements from both sets without any duplicates. So, to find D U E, we need to list all the elements that are in either set D or set E, or both:

D = {12, 15, 17}

E = {12, 14, 15, 16}

The union of D and E is:

D U E = {12, 14, 15, 16, 17}

Therefore, the elements of D U E are: 12, 14, 15, 16, 17.

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In 2020 each plum tree produced 37.7 kg of plums. This was 16% more then in 2019.

Calculate the mass of plums produced by each plum tree in 2019


Please help TYSM

Answers

Let's denote the mass of plums produced by each plum tree in 2019 as x kg.

According to the given information, in 2020 each plum tree produced 37.7 kg of plums, which was 16% more than in 2019.

Mathematically, we can express this relationship as:

x + 0.16x = 37.7

Simplifying, we get:

1.16x = 37.7

To solve for x, we can divide both sides of the equation by 1.16:

x = 37.7 / 1.16

Using a calculator, we find:

x ≈ 32.6724

So, the mass of plums produced by each plum tree in 2019 was approximately 32.6724 kg.

Help me on this question please!

Answers

Answer: B

Step-by-step explanation:

y's will eliminate because coefficients have opposite signs and if you added the equations as is the y's would eliminate you would get

2x=8

82 mm long and 38 mm wide. what is the ratio of the width to the length

Answers

Answer:

the ratio of the width to the length is 38:82 and to it smallest ratio gives us 19:41

Nia draws two number lines, each divided into equal-sized sections. What point is marked on the first number line?

Answers

The point which is marked on the first number line is 0.5 or 1/2.

Given two number lines that Nia drawn.

On the first number line, a point is marked exact in the middle.

Since the end points are 0 and 1, the exact middle point of the line will be the exact middle number between o and 1.

Middle point = (0 + 1) / 2

                     = 1/2

                     = 0.5

Hence the marked point on the first number line is 1/2.

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The complete question is given below.

1. Domain is all real numbers except ____
2. Range is all real numbers except ____
3. Interval of decrease is all real numbers except ____
4. Horizontal asymptote: ____
5. Vertical asymptote: ____
6. Hole at x = ____

Answers

1. The domain is all real numbers except x = 3, since at x = 3, the denominator becomes zero, and the function becomes undefined.

2. The range is all real numbers except y = 4, since the function can take any other real value.

3. The function is continuous and decreasing on the intervals (-∞, 3) and (3, ∞), so the interval of decrease is all real numbers except x = 3.

4. The horizontal asymptote is y = 0, since as x approaches positive or negative infinity, the function approaches zero.

5. The vertical asymptote is x = 3, since the denominator becomes zero at x = 3, and the function becomes undefined.

6. There is a hole in the graph at x = 3, since the function is undefined at this point. However, the hole can be "filled" by simplifying the function to (2x - 6)/(x - 3) and noting that the factor (x - 3) cancels out, leaving the function equal to 2 for all x not equal to 3.
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